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Lazarus Long Profile picture
@LazarusLong13
May 31, 2023 • 21 tweets • 12 min read • Read on X
Scrolly
Making the case for the #CorsiRosenthalBox with studies.

A simple thread.
"no U.S. Energy Star certified air cleaners have CADR values (for either tobacco smoke, dust, or pollen) matching the CADR value for the CR Box even on low speed "

On cost? 1/10th.

1019 to 1444 m3/hr CADR.

(600 to 850 ft3/min)

Published here:
tandfonline.com/doi/full/10.10… ImageImage
An incredibly thorough study published in February 2023, with all of its authors from @NIOSH.

With universal masking in a 3-ply cotton mask, exposure to the relevant aerosol size is reduced by 88 to 94%, with the #CorsiRosenthalBox.

73% w/ CRBox alone.

sciencedirect.com/science/articl… ImageImage
Very good thread on this study here:

Essentially the same NIOSH team investigated HEPA efficacy.

65% reduction with HEPA alone.

So, at a much cheaper price, the #CorsiRosenthalBox gets better results.

cdc.gov/mmwr/volumes/7…
But can HEPAs remove SARS-COV-2 from the air? Yes.

(Would #CorsiRosenthalBox do the same? Yes - faster and cheaper.

Has it been studied specifically for this? No. HEPAs barely have.

Do the same laws of physics apply? Yes.)

journals.asm.org/doi/full/10.11… Image
But can HEPAs really remove SARS-COV-2 from the air?

Yes - in a UK hospital, HEPAs were off. Cov1d was in the air. Turned on. No more CoV1d.

1000 m3/hour CADR.

Remember the first study?

1019 to 1444 m3/ hour for the CR box.

cuh.nhs.uk/news/air-filte…

academic.oup.com/cid/article/75… Image
@MarinaC_Dyb and her fellow authors found a massive reduction in aerosols in OCCUPIED classrooms using the #CorsiRosenthalBox. Also found that ALL of the air went in.

No wonder they have rolled them out to 400 locations.

Study is linked here:
indoorairquality.initiative.uconn.edu/testing-the-ef… Image
Oh for Pete's sake. @elonmusk has just killed another thread.

Let me add these manually.
"Also found that ALL of the air went in" - quoting above to go into a little more detail:

This answers, in a study, the concern that it just moves the air around. That it won't go into the filter.

It does, and this had to be pointed out.
The CDC, of which NIOSH is part of, has officially recommended 5 ACH, minimum, and that DIY Air Cleaners are effective at reducing the risk of transmission of Cov1d.

The #CorsiRosenthalBox is
specifically mentioned as part of that solution.

cdc.gov/coronavirus/20… ImageImageImage
@3M has studied it in their formal lab - and is officially on board:

news.3m.com/2022-02-24-3M-…
The famous UL, Inc testing the safety of the #CorsiRosenthalBox, to make sure it won't catch on fire.

It won't - even if the filters are loaded up.

(The link that is out on Twitter appears to be dead.)

ul.org/library/2988
"Does Using Corsi–Rosenthal Boxes to Mitigate COVID-19 Transmission Also Reduce Indoor Air Concentrations of PFAS and Phthalates?"

Yes.

pubs.acs.org/doi/10.1021/ac… Image
Some have expressed surprise that this was found.

Dr. Corsi explains:

And the rest of your family?

30 case studies- oops, 30 of your stories here, where your family used the #CorsiRi
A thesis - a study, that found 7 PFAs, and exposure to for both dog and human. (@ShellyMBoulder collaborated).
elischolar.library.yale.edu/ysphtdl/2161/ Image
How do we know that dogs are affected? Because it is dogs that get experimented on.

And not to get too personal, but my dog has stage 4 chronic kidney disease. CKD can be caused by PFAs.

Did I do that? Or at least not prevent it? A lot of

wunc.org/health/2021-05… Image
years with no air filtration.

But hey - she is 15 years old, and it could be just old age.

In any event, I don't want to go into any more detail, but now I know better.

But besides PFAs, dogs can catch Cov1d.

As can cats.

In fact, from the study, we should see our cat as part of our family regarding virus transmission.

Can a cat or dog wear a mask?

Yes, with training.

But what if you could reduce their risk of catching Cov1d without all that? Image
And the risk to the rest of your family?

30 case studies- oops, 30 of your stories here, where your family used the #CorsiRosenthalBox as the centerpiece of your family pandemic prevention protocol.

And it worked.

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More from @LazarusLong13

Lazarus Long Profile picture
Jun 1
A thread on airborne Ebola - the rest is accurate.

Let me emphasize that I agree far more than disagree with her, in general.

Declaring a thing debunked without actually debunking it, with facts, is not debunking.

So, let me debunk this. Image
Dr. Kuppila has excellent credentials, and has earned her laurels.

If we accepted the debunking of airborne Ebola on the basis of credentials, we would have given into the fallacy of appeal to authority.

:) not today.

She worked in an Ebola Treatment Unit in Sierra Leone,
coming back in December 2014, and now resides in Dallas per her very interesting StatNews article:



She did not get infected. We could have survivorship bias here - fortunately.

This is a reference to possible surgical mask usage by her.

You see, the web.archive.org/web/2026052103…Image
Read 22 tweets
Lazarus Long Profile picture
May 28
Ebola - it's not all about respiratory aerosols.

DYK that you, and me, and everybody are Pig Pen from Charlie Brown?

We shed our entire outer layer of skin every 2-4 weeks, about 500 million cells daily.

Your corneocytes (outermost cells) lift off of your body with the
gentlest of micro-air currents. Like a leaf picked up off the ground for the briefest of moments in fall.

They act like 12 micron aerosols in float time, but 25% of total skin flakes are sub 5 microns...and you know what that means. Deep deposition - or shallow as
sub 5 likes to also deposit in the nose.

It's funny...I embrace push-back in debate. Tightens up my game.

Imagine if those skin flakes now have Ebola on them?

Two studies show that Ebola literally oozes through the skin - both ways. In and out.

Not shown in vivo, but
Read 10 tweets
Lazarus Long Profile picture
May 23
The WHO forbids contact tracers from masking or gloving up.

"Do not conduct home visits wearing personal protective equipment like masks, gloves, or
gowns."

It gets worse. Do not conduct home visits wearing personal protective equipment like masks, gloves, or gowns.
They have a handy how to reduce risk of catching ebola at home.

It even has 5 masks listed on it.

But not for the other family members.

"7. If the patient has vomit, diarrhoea or bleeding, a mask or a dry towel wrapped around the face can be used to protect the nose and mouth Image
7. If the patient has vomit, diarrhoea or bleeding, a mask or a dry towel wrapped around the face can be used to protect the nose and mouth when touching the patient or items soiled with blood or body fluids. A waterproof gown, eye protection, gloves and rubber boots should also be worn in these circumstances.
Here are the 5 face masks. Image
Read 9 tweets
Lazarus Long Profile picture
May 22
The "epidemiology" of Ebola tells us that it's not airborne. You've heard this over and over.

What drives it? The questions on the contact tracing form.

Quick 🧵. Image
COVID - the WHO and CDC said it wasn't airborne via aerosols, right?

The CDC said it was spread person to person via close contact - within about 6 feet.



And you remember it took FOREVER to get changed.

The contact tracing form was web.archive.org/web/2020032817…Image
Image
arranged around close contact. These are the questions driving the stats of how many and how are infected.



So, the CDC will only hear back what it's asking. This was the epidemiology of COVID - until it wasn't. web.archive.org/web/2020052514…Image
Read 16 tweets
Lazarus Long Profile picture
May 20
Speaking of silly, can we agree that the WHO has Ebola experts?

Let's talk about PPE, and a bias towards "less PPE is better." Image
The WHO EBOLA IPC guidance:


Foreshadow on PPE

"...due to the desirability of an off-
the-face design, and not for protection from aerosols, respirators may be used instead of medical masks"who.int/publications/i…
If you can stay 3 feet away while screening? No medical mask needed. Image
Image
Read 12 tweets
Lazarus Long Profile picture
May 10
Great article by @EmilyJoshu here.

Emily, there's another article in this that's even more shocking.

The aerosols from milking have long been discussed by many of us on X.

People like myself, @sri_srikrishna, @AbraarKaran have long advocated for comfortable aerosol
protective gear like PAPRs. But, have been ignored by the USDA who, of course, thought it was only contaminated milking gear like the claw.

But there is one more source of aerosols besides cow breath.

The wastewater. When you spray anything you generate huge amounts of Image
aerosols. And that farm wastewater, filled with milk dumped from being full of H5N1, gets reclaimed and reused.

Those milk and wastewater lagoons are on most dairy farms (my grandfather owned a dairy farm).

And there's something you should know.

Image
Read 15 tweets

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